CVE-2026-69820

HIGHNVD 6.78.2▲
EchelonGraph scoreMEDIUM confidence

Score 8.2 from GitHub Security Advisory (severity: HIGH) published 2026-09-08. NVD baseline CVSS 6.7; sources differ by 1.5.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, nvd
Trending — 5 sources updated this week
8.2EG
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 6.7Exploit: None knownExposed: 0

No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.

Heap-based buffer overflow in Windows Hello allows an authorized attacker to elevate privileges locally.

CVSS v3
6.7
EG Score
8.2(medium)
EG Risk
37(Track)
EG Risk 37/100SSVC: Track

EG Risk is EchelonGraph's 0–100 priority score: it fuses intrinsic severity with real-world exploitation and automatability so you can rank equal-severity CVEs and fix the most dangerous first. Higher = act sooner. Distinct from the 0–10 EG Score (severity).

How it’s computed
Severity82% × 45%
Exploitation0% × 40%
Automatability0% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
0%
EPSS %ILE
25%
KEV
Not listed

Published

September 8, 2026

Last Modified

September 18, 2026

Advisory Details (1)

Auto-updated Sep 8, 2026
Patch available. Sources: microsoft.
microsoft Patch Available

Security Update Guide - Microsoft Security Response Center

Security Update Guide - Microsoft Security Response Center. Patch available via Microsoft Security Update

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-69820

Vendor Advisories for CVE-2026-69820(2)

These vendors published their own advisory mentioning this CVE — often with vendor-specific remediation steps + affected product lists not in NVD.

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

Data Freshness Timeline

(refreshed 53× in last 7d / 104× in last 30d)

Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.

Showing the most recent 100 of 104 total refreshes for this CVE.

  1. 2026-09-21 05:19 UTCEG score recompute
  2. 2026-09-21 05:19 UTCVendor advisory
  3. 2026-09-21 05:19 UTCGHSA enrichment
  4. 2026-09-20 20:16 UTCEPSS rescore
  5. 2026-09-20 18:12 UTCVendor advisory
  6. 2026-09-20 18:12 UTCGHSA enrichment
  7. 2026-09-20 07:05 UTCVendor advisory
  8. 2026-09-20 07:05 UTCGHSA enrichment
  9. 2026-09-19 19:18 UTCEG score recompute
  10. 2026-09-19 19:18 UTCVendor advisory
  11. 2026-09-19 19:18 UTCGHSA enrichment
  12. 2026-09-19 08:05 UTCVendor advisory
  13. 2026-09-19 08:05 UTCGHSA enrichment
  14. 2026-09-18 20:59 UTCEG score recompute
  15. 2026-09-18 20:59 UTCVendor advisory
  16. 2026-09-18 20:59 UTCGHSA enrichment
  17. 2026-09-18 19:28 UTCEPSS rescore
  18. 2026-09-18 14:07 UTCVendor advisory
  19. 2026-09-18 14:07 UTCGHSA enrichment
  20. 2026-09-18 10:38 UTCVendor advisory
  21. 2026-09-18 10:38 UTCGHSA enrichment
  22. 2026-09-17 23:30 UTCVendor advisory
  23. 2026-09-17 23:30 UTCGHSA enrichment
  24. 2026-09-17 20:08 UTCEG score recompute
  25. 2026-09-17 20:08 UTCVendor advisory
Show 75 more
  1. 2026-09-17 20:08 UTCGHSA enrichment
  2. 2026-09-17 09:16 UTCVendor advisory
  3. 2026-09-17 09:16 UTCGHSA enrichment
  4. 2026-09-16 22:09 UTCVendor advisory
  5. 2026-09-16 22:09 UTCGHSA enrichment
  6. 2026-09-16 21:28 UTCEG score recompute
  7. 2026-09-16 21:28 UTCVendor advisory
  8. 2026-09-16 21:28 UTCGHSA enrichment
  9. 2026-09-16 21:26 UTCNVD updateCVSS v3 → 6.7 · severity → MEDIUM
  10. 2026-09-16 21:16 UTCEG score recompute
  11. 2026-09-16 21:16 UTCVendor advisory
  12. 2026-09-16 21:16 UTCGHSA enrichment
  13. 2026-09-16 14:08 UTCEPSS rescore
  14. 2026-09-16 10:08 UTCEG score recompute
  15. 2026-09-16 10:08 UTCVendor advisory
  16. 2026-09-16 10:08 UTCGHSA enrichment
  17. 2026-09-16 05:15 UTCEPSS rescore
  18. 2026-09-15 23:00 UTCVendor advisory
  19. 2026-09-15 23:00 UTCGHSA enrichment
  20. 2026-09-15 17:41 UTCVendor advisory
  21. 2026-09-15 17:41 UTCGHSA enrichment
  22. 2026-09-15 10:17 UTCEG score recompute
  23. 2026-09-15 10:17 UTCVendor advisory
  24. 2026-09-15 10:17 UTCGHSA enrichment
  25. 2026-09-14 23:09 UTCVendor advisory
  26. 2026-09-14 23:09 UTCGHSA enrichment
  27. 2026-09-14 17:40 UTCVendor advisory
  28. 2026-09-14 17:40 UTCGHSA enrichment
  29. 2026-09-14 06:19 UTCVendor advisory
  30. 2026-09-14 06:19 UTCGHSA enrichment
  31. 2026-09-13 19:12 UTCEG score recompute
  32. 2026-09-13 19:12 UTCVendor advisory
  33. 2026-09-13 19:12 UTCGHSA enrichment
  34. 2026-09-13 08:04 UTCVendor advisory
  35. 2026-09-13 08:04 UTCGHSA enrichment
  36. 2026-09-12 20:58 UTCEG score recompute
  37. 2026-09-12 20:58 UTCVendor advisory
  38. 2026-09-12 20:58 UTCGHSA enrichment
  39. 2026-09-12 09:51 UTCVendor advisory
  40. 2026-09-12 09:51 UTCGHSA enrichment
  41. 2026-09-11 22:44 UTCVendor advisory
  42. 2026-09-11 22:44 UTCGHSA enrichment
  43. 2026-09-11 20:00 UTCVendor advisory
  44. 2026-09-11 20:00 UTCGHSA enrichment
  45. 2026-09-11 17:01 UTCEG score recompute
  46. 2026-09-11 17:01 UTCVendor advisory
  47. 2026-09-11 17:01 UTCGHSA enrichment
  48. 2026-09-11 14:53 UTCEPSS rescore
  49. 2026-09-11 10:39 UTCEG score recompute
  50. 2026-09-11 10:39 UTCGHSA enrichment
  51. 2026-09-11 09:37 UTCEPSS rescore
  52. 2026-09-10 23:28 UTCGHSA enrichment
  53. 2026-09-10 20:12 UTCEG score recompute
  54. 2026-09-10 20:12 UTCGHSA enrichment
  55. 2026-09-10 09:05 UTCGHSA enrichment
  56. 2026-09-09 21:57 UTCGHSA enrichment
  57. 2026-09-09 19:46 UTCEG score recompute
  58. 2026-09-09 19:46 UTCVendor advisory
  59. 2026-09-09 19:46 UTCGHSA enrichment
  60. 2026-09-09 10:28 UTCEG score recompute
  61. 2026-09-09 10:28 UTCVendor advisory
  62. 2026-09-09 10:28 UTCGHSA enrichment
  63. 2026-09-09 10:16 UTCEG score recompute
  64. 2026-09-09 10:16 UTCVendor advisory
  65. 2026-09-09 10:16 UTCGHSA enrichment
  66. 2026-09-09 05:28 UTCEG score recompute
  67. 2026-09-09 05:28 UTCVendor advisory
  68. 2026-09-09 05:28 UTCGHSA enrichment
  69. 2026-09-09 04:31 UTCEG score recompute
  70. 2026-09-09 04:31 UTCVendor advisory
  71. 2026-09-09 04:30 UTCGHSA enrichment
  72. 2026-09-08 23:57 UTCVendor advisory
  73. 2026-09-08 23:57 UTCGHSA enrichment
  74. 2026-09-08 18:42 UTCEG score recompute
  75. 2026-09-08 18:42 UTCVendor advisory

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2026-69820?
CVE-2026-69820 is a high vulnerability published on September 8, 2026. Heap-based buffer overflow in Windows Hello allows an authorized attacker to elevate privileges locally.
When was CVE-2026-69820 disclosed?
CVE-2026-69820 was first published in the National Vulnerability Database on September 8, 2026, with the most recent update on September 18, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-69820 actively exploited?
CVE-2026-69820 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 0% probability of exploitation in the next 30 days, which ranks it in the top 75.0% of all scored CVEs.
What is the CVSS score of CVE-2026-69820?
CVE-2026-69820 has a CVSS v3 base score of 6.7 (NVD). EchelonGraph synthesises NVD + CISA KEV + FIRST EPSS + GHSA into a combined EG score of 8.2.
How do I remediate CVE-2026-69820?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-69820, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

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